#pragma once

#include <AK/Types.h>

#define WNOHANG 1
#define WUNTRACED 2
#define WSTOPPED WUNTRACED
#define WEXITED 4
#define WCONTINUED 8

#define R_OK 4
#define W_OK 2
#define X_OK 1
#define F_OK 0

#define SIG_DFL ((void*)0)
#define SIG_ERR ((void*)-1)
#define SIG_IGN ((void*)1)

#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2

#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS

#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
#define PROT_NONE 0x0

#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4

#define FD_CLOEXEC 1

/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16

/* c_iflag bits */
#define IGNBRK 0000001
#define BRKINT 0000002
#define IGNPAR 0000004
#define PARMRK 0000010
#define INPCK 0000020
#define ISTRIP 0000040
#define INLCR 0000100
#define IGNCR 0000200
#define ICRNL 0000400
#define IUCLC 0001000
#define IXON 0002000
#define IXANY 0004000
#define IXOFF 0010000
#define IMAXBEL 0020000
#define IUTF8 0040000

/* c_oflag bits */
#define OPOST 0000001
#define OLCUC 0000002
#define ONLCR 0000004
#define OCRNL 0000010
#define ONOCR 0000020
#define ONLRET 0000040
#define OFILL 0000100
#define OFDEL 0000200
#if defined __USE_MISC || defined __USE_XOPEN
#    define NLDLY 0000400
#    define NL0 0000000
#    define NL1 0000400
#    define CRDLY 0003000
#    define CR0 0000000
#    define CR1 0001000
#    define CR2 0002000
#    define CR3 0003000
#    define TABDLY 0014000
#    define TAB0 0000000
#    define TAB1 0004000
#    define TAB2 0010000
#    define TAB3 0014000
#    define BSDLY 0020000
#    define BS0 0000000
#    define BS1 0020000
#    define FFDLY 0100000
#    define FF0 0000000
#    define FF1 0100000
#endif

#define VTDLY 0040000
#define VT0 0000000
#define VT1 0040000

#ifdef __USE_MISC
#    define XTABS 0014000
#endif

/* c_cflag bit meaning */
#ifdef __USE_MISC
#    define CBAUD 0010017
#endif
#define B0 0000000 /* hang up */
#define B50 0000001
#define B75 0000002
#define B110 0000003
#define B134 0000004
#define B150 0000005
#define B200 0000006
#define B300 0000007
#define B600 0000010
#define B1200 0000011
#define B1800 0000012
#define B2400 0000013
#define B4800 0000014
#define B9600 0000015
#define B19200 0000016
#define B38400 0000017
#ifdef __USE_MISC
#    define EXTA B19200
#    define EXTB B38400
#endif
#define CSIZE 0000060
#define CS5 0000000
#define CS6 0000020
#define CS7 0000040
#define CS8 0000060
#define CSTOPB 0000100
#define CREAD 0000200
#define PARENB 0000400
#define PARODD 0001000
#define HUPCL 0002000
#define CLOCAL 0004000
#ifdef __USE_MISC
#    define CBAUDEX 0010000
#endif
#define B57600 0010001
#define B115200 0010002
#define B230400 0010003
#define B460800 0010004
#define B500000 0010005
#define B576000 0010006
#define B921600 0010007
#define B1000000 0010010
#define B1152000 0010011
#define B1500000 0010012
#define B2000000 0010013
#define B2500000 0010014
#define B3000000 0010015
#define B3500000 0010016
#define B4000000 0010017
#define __MAX_BAUD B4000000
#ifdef __USE_MISC
#    define CIBAUD 002003600000  /* input baud rate (not used) */
#    define CMSPAR 010000000000  /* mark or space (stick) parity */
#    define CRTSCTS 020000000000 /* flow control */
#endif

/* c_lflag bits */
#define ISIG 0000001
#define ICANON 0000002
#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
#    define XCASE 0000004
#endif
#define ECHO 0000010
#define ECHOE 0000020
#define ECHOK 0000040
#define ECHONL 0000100
#define NOFLSH 0000200
#define TOSTOP 0000400
#ifdef __USE_MISC
#    define ECHOCTL 0001000
#    define ECHOPRT 0002000
#    define ECHOKE 0004000
#    define FLUSHO 0010000
#    define PENDIN 0040000
#endif
#define IEXTEN 0100000
#ifdef __USE_MISC
#    define EXTPROC 0200000
#endif

/* tcflow() and TCXONC use these */
#define TCOOFF 0
#define TCOON 1
#define TCIOFF 2
#define TCION 3

/* tcflush() and TCFLSH use these */
#define TCIFLUSH 0
#define TCOFLUSH 1
#define TCIOFLUSH 2

/* tcsetattr uses these */
#define TCSANOW 0
#define TCSADRAIN 1
#define TCSAFLUSH 2

struct winsize {
    unsigned short ws_row;
    unsigned short ws_col;
};

typedef u32 dev_t;
typedef u32 ino_t;
typedef u16 mode_t;
typedef u32 nlink_t;
typedef u32 uid_t;
typedef u32 gid_t;
typedef u32 clock_t;
typedef u32 socklen_t;
typedef int pid_t;

struct tms {
    clock_t tms_utime;
    clock_t tms_stime;
    clock_t tms_cutime;
    clock_t tms_cstime;
};

typedef void (*__sighandler_t)(int);
typedef __sighandler_t sighandler_t;

typedef u32 sigset_t;
typedef void siginfo_t;

struct sigaction {
    union {
        void (*sa_handler)(int);
        void (*sa_sigaction)(int, siginfo_t*, void*);
    };
    sigset_t sa_mask;
    int sa_flags;
};

#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
#define SA_NODEFER 0x40000000

#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2

#define OFF_T_MAX 2147483647

typedef i32 off_t;
typedef u32 time_t;

struct utimbuf {
    time_t actime;
    time_t modtime;
};

typedef u32 blksize_t;
typedef u32 blkcnt_t;

#define NCCS 32

typedef uint32_t tcflag_t;
typedef uint8_t cc_t;
typedef uint32_t speed_t;

struct termios {
    tcflag_t c_iflag;
    tcflag_t c_oflag;
    tcflag_t c_cflag;
    tcflag_t c_lflag;
    cc_t c_cc[NCCS];
    speed_t c_ispeed;
    speed_t c_ospeed;
};

struct stat {
    dev_t st_dev;         /* ID of device containing file */
    ino_t st_ino;         /* inode number */
    mode_t st_mode;       /* protection */
    nlink_t st_nlink;     /* number of hard links */
    uid_t st_uid;         /* user ID of owner */
    gid_t st_gid;         /* group ID of owner */
    dev_t st_rdev;        /* device ID (if special file) */
    off_t st_size;        /* total size, in bytes */
    blksize_t st_blksize; /* blocksize for file system I/O */
    blkcnt_t st_blocks;   /* number of 512B blocks allocated */
    time_t st_atime;      /* time of last access */
    time_t st_mtime;      /* time of last modification */
    time_t st_ctime;      /* time of last status change */
};

#define POLLIN (1u << 0)
#define POLLPRI (1u << 2)
#define POLLOUT (1u << 3)
#define POLLERR (1u << 4)
#define POLLHUP (1u << 5)
#define POLLNVAL (1u << 6)

struct pollfd {
    int fd;
    short events;
    short revents;
};

#define AF_MASK 0xff
#define AF_UNSPEC 0
#define AF_LOCAL 1
#define AF_INET 2
#define PF_LOCAL AF_LOCAL
#define PF_INET AF_INET

#define SOCK_TYPE_MASK 0xff
#define SOCK_STREAM 1
#define SOCK_RAW 3
#define SOCK_DGRAM 2
#define SOCK_NONBLOCK 04000
#define SOCK_CLOEXEC 02000000

#define MSG_DONTWAIT 0x40

#define SOL_SOCKET 1

#define SO_RCVTIMEO 1
#define SO_SNDTIMEO 2
#define SO_KEEPALIVE 3
#define SO_ERROR 4

#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17

struct sockaddr {
    u16 sa_family;
    char sa_data[14];
};

#define S_IFSOCK 0140000
#define UNIX_PATH_MAX 108

struct sockaddr_un {
    u16 sun_family;
    char sun_path[UNIX_PATH_MAX];
};

struct in_addr {
    uint32_t s_addr;
};

struct sockaddr_in {
    int16_t sin_family;
    uint16_t sin_port;
    struct in_addr sin_addr;
    char sin_zero[8];
};

typedef u32 __u32;
typedef u16 __u16;
typedef u8 __u8;
typedef int __s32;
typedef short __s16;

typedef u32 useconds_t;
typedef i32 suseconds_t;

struct timeval {
    time_t tv_sec;
    suseconds_t tv_usec;
};

#define UTSNAME_ENTRY_LEN 65

struct utsname {
    char sysname[UTSNAME_ENTRY_LEN];
    char nodename[UTSNAME_ENTRY_LEN];
    char release[UTSNAME_ENTRY_LEN];
    char version[UTSNAME_ENTRY_LEN];
    char machine[UTSNAME_ENTRY_LEN];
};

struct [[gnu::packed]] FarPtr
{
    u32 offset { 0 };
    u16 selector { 0 };
};

struct iovec {
    void* iov_base;
    size_t iov_len;
};

struct sched_param {
    int sched_priority;
};
